Power Systems A buchholz relay is used for protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 protection of a transformer against all external faults protection of a transformer against all internal faults both 1 and 2 nether 1 nor 2 ANSWER DOWNLOAD EXAMIANS APP
Power Systems Transmission line has a length of 300 km, operating at sending end voltage Vs = 1 pu, find the receiving end voltage(Vr) at no load? 0.98 pu 1.098 pu 1 pu 0.098 pu 0.98 pu 1.098 pu 1 pu 0.098 pu ANSWER DOWNLOAD EXAMIANS APP
Power Systems Earthing switch is used for measuring of safety voltage discharging residual energies All of these protection of equipment from ground faults measuring of safety voltage discharging residual energies All of these protection of equipment from ground faults ANSWER DOWNLOAD EXAMIANS APP
Power Systems In a Gauss Seidel load flow method, the number of iterations may be reduced if the correction in voltage at each bus is multiplied by Acceleration factor Blocking factor Gauss constant Lagrange multiplier Acceleration factor Blocking factor Gauss constant Lagrange multiplier ANSWER DOWNLOAD EXAMIANS APP
Power Systems In thermal power stations, economiser will reduce the heat reduce the thermal efficiency both 2 and 3 increase the thermal efficiency reduce the heat reduce the thermal efficiency both 2 and 3 increase the thermal efficiency ANSWER DOWNLOAD EXAMIANS APP
Power Systems a 50 Hz, 3-phase synchronous generator has inductance per phase of 15 mH. The capacitance of the generator and circuit breaker is 0.002 µF. What is its natural frequency? 29 kHz 290 kHz 2.9 kHz 29 MHz 29 kHz 290 kHz 2.9 kHz 29 MHz ANSWER DOWNLOAD EXAMIANS APP
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